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authorLinus Torvalds <torvalds@linux-foundation.org>2012-10-01 11:51:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-01 11:51:57 -0700
commit81f56e5375e84689b891e0e6c5a02ec12a1f18d9 (patch)
treea1e128a71ff24fc705428df86a858076cfe4bc13 /arch/arm64/include/asm/sparsemem.h
parent6c09931b3f987898f5c581d267ef269f5e2e9575 (diff)
parent27aa55c5e5123fa8b8ad0156559d34d7edff58ca (diff)
Merge tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull arm64 support from Catalin Marinas: "Linux support for the 64-bit ARM architecture (AArch64) Features currently supported: - 39-bit address space for user and kernel (each) - 4KB and 64KB page configurations - Compat (32-bit) user applications (ARMv7, EABI only) - Flattened Device Tree (mandated for all AArch64 platforms) - ARM generic timers" * tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: (35 commits) arm64: ptrace: remove obsolete ptrace request numbers from user headers arm64: Do not set the SMP/nAMP processor bit arm64: MAINTAINERS update arm64: Build infrastructure arm64: Miscellaneous header files arm64: Generic timers support arm64: Loadable modules arm64: Miscellaneous library functions arm64: Performance counters support arm64: Add support for /proc/sys/debug/exception-trace arm64: Debugging support arm64: Floating point and SIMD arm64: 32-bit (compat) applications support arm64: User access library functions arm64: Signal handling support arm64: VDSO support arm64: System calls handling arm64: ELF definitions arm64: SMP support arm64: DMA mapping API ...
Diffstat (limited to 'arch/arm64/include/asm/sparsemem.h')
-rw-r--r--arch/arm64/include/asm/sparsemem.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/sparsemem.h b/arch/arm64/include/asm/sparsemem.h
new file mode 100644
index 000000000000..1be62bcb9d47
--- /dev/null
+++ b/arch/arm64/include/asm/sparsemem.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2012 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __ASM_SPARSEMEM_H
+#define __ASM_SPARSEMEM_H
+
+#ifdef CONFIG_SPARSEMEM
+#define MAX_PHYSMEM_BITS 40
+#define SECTION_SIZE_BITS 30
+#endif
+
+#endif